A solitary fibrous tumor of the ovary

We report a case of an ovarian solitary fibrous tumor (SFT), which rarely occurs in the female genital system.

A 63-year-old postmenopausal woman resorted to the tertiary center seeking management for an intra-abdominal mass. Physical examination disclosed a local abdominal distention. Ultrasound revealed an 18-cm complex mass with inner neovascularization. A whole abdominal computed scan (CT) demonstrated an 18-cm abdominal tumor. The woman then underwent a left salpingo-oophorectomy. Histological examination and immunohistochemical stains of the tumor confirmed the diagnosis of SFT. The patient recovered uneventfully and remained free of recurrence 6 months postoperatively.

SFTs in the female genital system are extremely rare and not fully understood. The metastatic risk of the patient was intermediate, according to the modified four-variable risk models based on the World Health Organization (WHO) classification of soft tissue tumors. Close monitoring with clinical evaluation and imaging studies will be conducted.